/* ================================================
   吉﨑やまと Webデザイン — 第2案 style_new2.css
   骨格から再設計：全画面ヒーロー特大タイポ／数字バンド／
   左右交互の大型ショーケース／ストーリー型シーケンス／段階的料金。
   参考の「構造・スクロール体験」を再構成（丸パクリなし）。
   ※ index_new2.html 専用。既存ファイルは変更しない。
   ================================================ */

/* ---------- リセット ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ---------- トークン ---------- */
:root {
  --green:       #1F4D2E;
  --green-deep:  #0F2A19;
  --green-soft:  #2F6B43;
  --accent:      #E0894A;
  --accent-deep: #c8702f;
  --bg:          #FBFAF7;
  --surface:     #FFFFFF;
  --panel:       #F1EFE8;
  --ink:         #1E231F;
  --ink-soft:    #6B716C;
  --line:        rgba(31,77,46,0.14);
  --eyebrow:     #9AA39C;

  --en: 'Manrope', 'Noto Sans JP', sans-serif;

  --radius:    16px;
  --radius-lg: 30px;
  --shadow-sm: 0 2px 16px rgba(15,42,25,0.06);
  --shadow:    0 18px 60px rgba(15,42,25,0.12);
  --shadow-lg: 0 40px 100px rgba(15,42,25,0.20);
  --ease:      cubic-bezier(0.22, 1, 0.36, 1);

  --wrap:  1240px;
  --pad:   clamp(20px, 5vw, 64px);
}

/* ---------- レイアウト ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--pad); }
.br-pc { display: inline; }
.br-sp { display: none; }

/* ---------- リビール（軽量・JSでクラス付与） ---------- */
.rv { opacity: 0; transform: translateY(34px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .rv { opacity: 1 !important; transform: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5em;
  font-weight: 700; font-size: 1rem; line-height: 1;
  padding: 1.05em 1.9em; border-radius: 999px;
  transition: transform .35s var(--ease), background .35s var(--ease), color .35s var(--ease), box-shadow .35s var(--ease);
  white-space: nowrap;
}
.btn__arrow { transition: transform .35s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(5px); }
.btn--solid { background: var(--accent); color: #fff; box-shadow: 0 12px 30px rgba(224,137,74,.32); }
.btn--solid:hover { background: var(--accent-deep); transform: translateY(-3px); }
.btn--line { border: 1.5px solid rgba(255,255,255,.65); color: #fff; }
.btn--line:hover { background: rgba(255,255,255,.12); transform: translateY(-3px); }
.btn--full { width: 100%; justify-content: center; }

/* ================================================
   HEADER
   ================================================ */
.hdr {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  padding: 22px 0;
  transition: padding .4s var(--ease);
}
/* 背景ぼかしは ::before に置く（.hdr 自体に backdrop-filter を付けると
   中の position:fixed のモバイルドロワーがヘッダー内に閉じ込められて開かなくなるため） */
.hdr::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  opacity: 0; transition: opacity .4s var(--ease);
  background: rgba(251,250,247,.86);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  backdrop-filter: saturate(180%) blur(14px);
  box-shadow: var(--shadow-sm);
}
.hdr.scrolled { padding: 12px 0; }
.hdr.scrolled::before { opacity: 1; }
.hdr__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--pad); }
.hdr__brand { display: flex; flex-direction: column; line-height: 1.1; color: #fff; transition: color .4s var(--ease); }
.hdr.scrolled .hdr__brand { color: var(--ink); }
.hdr__brand-main { font-weight: 800; font-size: 1.18rem; letter-spacing: .02em; }
.hdr__brand-sub { font-family: var(--en); font-size: .6rem; letter-spacing: .28em; opacity: .7; margin-top: 2px; }
.hdr__nav { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 38px); }
.hdr__link { font-weight: 500; font-size: .94rem; color: #fff; position: relative; transition: color .3s var(--ease); }
.hdr.scrolled .hdr__link { color: var(--ink); }
.hdr__link::after { content: ""; position: absolute; left: 0; bottom: -5px; width: 0; height: 2px; background: var(--accent); transition: width .3s var(--ease); }
.hdr__link:hover::after { width: 100%; }
.hdr__cta { font-weight: 700; font-size: .92rem; color: #fff; background: var(--accent); padding: .72em 1.4em; border-radius: 999px; transition: background .3s var(--ease), transform .3s var(--ease); }
.hdr__cta:hover { background: var(--accent-deep); transform: translateY(-2px); }

.hdr__burger { display: none; flex-direction: column; gap: 6px; width: 42px; height: 42px; background: none; border: 0; cursor: pointer; align-items: center; justify-content: center; }
.hdr__nav-close { display: none; }
/* メニューを開いている間はハンバーガー(変身X)を隠し、ドロワー内の×だけ残す */
.hdr__burger.open { display: none; }
.hdr__burger span { display: block; width: 26px; height: 2px; background: #fff; border-radius: 2px; transition: transform .35s var(--ease), opacity .25s var(--ease), background .4s var(--ease); }
.hdr.scrolled .hdr__burger span { background: var(--ink); }

/* ================================================
   HERO（全画面・特大タイポ）
   ================================================ */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; overflow: hidden; color: #fff; }
.hero__bg {
  position: absolute; inset: 0;
  background: url("../images/hero.jpg") center/cover no-repeat;
  transform: scale(1.06);
}
.hero__veil {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(15,42,25,.78) 0%, rgba(15,42,25,.55) 45%, rgba(15,42,25,.82) 100%),
    radial-gradient(120% 90% at 75% 30%, rgba(224,137,74,.18), transparent 60%);
}
.hero__inner { position: relative; z-index: 2; width: 100%; max-width: var(--wrap); margin-inline: auto; padding: 120px var(--pad) 0; }
.hero__eyebrow {
  display: inline-block; font-family: var(--en); font-weight: 600;
  font-size: clamp(.7rem, 1.4vw, .82rem); letter-spacing: .26em;
  padding: .55em 1.1em; border: 1px solid rgba(255,255,255,.4); border-radius: 999px;
  margin-bottom: clamp(22px, 4vw, 38px);
}
.hero__title {
  font-weight: 900;
  font-size: clamp(2.6rem, 8.6vw, 6.6rem);
  line-height: 1.06; letter-spacing: -0.01em;
  margin-bottom: clamp(22px, 3.5vw, 36px);
}
.hero__line { display: block; }
.hero__line--accent { color: var(--accent); }
.hero__sub { font-size: clamp(1rem, 1.9vw, 1.32rem); font-weight: 500; max-width: 40ch; line-height: 1.9; color: rgba(255,255,255,.92); }
.hero__cta { display: flex; flex-wrap: wrap; gap: 16px; margin-top: clamp(30px, 4.5vw, 48px); }

.hero__scroll { position: absolute; z-index: 2; left: 50%; bottom: 30px; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 10px; color: rgba(255,255,255,.8); }
.hero__scroll-txt { font-family: var(--en); font-size: .62rem; letter-spacing: .3em; }
.hero__scroll-bar { position: relative; width: 2px; height: 54px; background: rgba(255,255,255,.3); overflow: hidden; }
.hero__scroll-dot { position: absolute; top: 0; left: 0; width: 100%; height: 40%; background: var(--accent); animation: scrollDot 1.8s var(--ease) infinite; }
@keyframes scrollDot { 0% { transform: translateY(-100%); } 60%,100% { transform: translateY(260%); } }
@media (prefers-reduced-motion: reduce) { .hero__scroll-dot { animation: none; } }

/* ================================================
   STATS（数字バンド）
   ================================================ */
.stats { background: var(--green-deep); color: #fff; padding: clamp(48px, 7vw, 84px) 0; }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(20px, 3vw, 40px); }
.stat { text-align: center; position: relative; }
.stat:not(:last-child)::after { content: ""; position: absolute; right: calc(-1 * clamp(10px, 1.5vw, 20px)); top: 14%; height: 72%; width: 1px; background: rgba(255,255,255,.16); }
.stat__num { display: inline-flex; align-items: baseline; font-family: var(--en); font-weight: 800; font-size: clamp(2.6rem, 6vw, 4.4rem); line-height: 1; color: #fff; letter-spacing: -.02em; }
.stat__num--word { font-family: 'Noto Sans JP', sans-serif; font-size: clamp(2rem, 4.4vw, 3.2rem); color: var(--accent); }
.stat__plus, .stat__yen, .stat__h { color: var(--accent); font-size: .5em; margin-left: .08em; }
.stat__label { display: block; margin-top: 12px; font-size: clamp(.78rem, 1.4vw, .94rem); color: rgba(255,255,255,.74); }

/* ================================================
   共通リード見出し
   ================================================ */
.lead { max-width: 760px; margin-bottom: clamp(40px, 5vw, 64px); }
.lead--center { margin-inline: auto; text-align: center; }
.lead__tag { display: inline-block; font-family: var(--en); font-weight: 700; font-size: .76rem; letter-spacing: .26em; color: var(--accent-deep); margin-bottom: 16px; }
.lead__tag--light { color: var(--accent); }
.lead__title { font-weight: 900; font-size: clamp(1.9rem, 5vw, 3.4rem); line-height: 1.2; letter-spacing: -.01em; }
.lead__title--light { color: #fff; }
.lead__text { margin-top: 20px; font-size: clamp(.95rem, 1.5vw, 1.08rem); color: var(--ink-soft); }

/* ================================================
   TROUBLES（ステートメント＋大判リスト）
   ================================================ */
.troubles { padding: clamp(48px, 6vw, 80px) 0; background: var(--bg); }
.troubles__list { display: grid; gap: clamp(10px, 1.2vw, 16px); }
.trouble {
  display: grid; grid-template-columns: auto 1fr; align-items: center; gap: clamp(18px, 2.6vw, 40px);
  padding: clamp(16px, 2vw, 26px) clamp(20px, 2.6vw, 40px);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.trouble:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.trouble__no { font-family: var(--en); font-weight: 800; font-size: clamp(1.8rem, 4vw, 3rem); color: var(--line); line-height: 1; }
.trouble__txt { font-size: clamp(1rem, 1.9vw, 1.34rem); font-weight: 500; }
.trouble__txt b { font-weight: 800; color: var(--green); }
.trouble__img { width: clamp(64px, 9vw, 100px); height: clamp(64px, 9vw, 100px); object-fit: cover; border-radius: 14px; }

/* ================================================
   WORKS（左右交互の大型ショーケース）
   ================================================ */
.works { padding: clamp(80px, 11vw, 150px) 0; background: var(--panel); }
.showcase { display: grid; gap: clamp(56px, 9vw, 130px); }
.show { display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: clamp(30px, 5vw, 76px); }
.show--rev .show__media { order: 2; }
.show--rev .show__body { order: 1; }
.show__media { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.show__media img { width: 100%; aspect-ratio: 16/9; object-fit: cover; object-position: center top; transition: transform .8s var(--ease); }
.show:hover .show__media img { transform: scale(1.05); }
.show__index { position: absolute; top: 18px; left: 22px; z-index: 2; font-family: var(--en); font-weight: 800; font-size: clamp(2.2rem, 5vw, 4rem); color: rgba(255,255,255,.9); line-height: 1; text-shadow: 0 4px 24px rgba(15,42,25,.4); }
.show__body { display: flex; flex-direction: column; align-items: flex-start; }
.show__tag { font-size: .8rem; font-weight: 700; color: var(--green); background: rgba(31,77,46,.08); padding: .4em 1em; border-radius: 999px; margin-bottom: 18px; }
.show__title { font-weight: 800; font-size: clamp(1.4rem, 3vw, 2.2rem); line-height: 1.3; margin-bottom: 14px; }
.show__desc { color: var(--ink-soft); font-size: clamp(.92rem, 1.5vw, 1.04rem); margin-bottom: 22px; }
.show__link { display: inline-flex; align-items: center; gap: .5em; font-weight: 700; color: var(--accent-deep); border-bottom: 2px solid var(--accent); padding-bottom: 3px; transition: gap .3s var(--ease); }
.show:hover .show__link { gap: .9em; }
.show:hover .show__link .btn__arrow { transform: translateX(4px); }
.show__note { margin-top: 14px; font-size: .76rem; color: var(--ink-soft); }

/* ================================================
   REASONS（暗背景・ストーリー型シーケンス）
   ================================================ */
.reasons { padding: clamp(80px, 11vw, 150px) 0; background: var(--green-deep); color: #fff; }
.reasons__seq { display: grid; gap: 0; border-top: 1px solid rgba(255,255,255,.14); }
.rsn { display: grid; grid-template-columns: clamp(70px, 12vw, 160px) 1fr; gap: clamp(20px, 4vw, 60px); align-items: start; padding: clamp(34px, 5vw, 56px) 0; border-bottom: 1px solid rgba(255,255,255,.14); transition: padding-left .4s var(--ease); }
.rsn:hover { padding-left: clamp(8px, 1.5vw, 22px); }
.rsn__no { font-family: var(--en); font-weight: 800; font-size: clamp(2.4rem, 6vw, 4.6rem); line-height: 1; color: var(--accent); }
.rsn__title { font-weight: 800; font-size: clamp(1.3rem, 2.8vw, 2rem); margin-bottom: 14px; }
.rsn__text { color: rgba(255,255,255,.78); font-size: clamp(.95rem, 1.5vw, 1.08rem); max-width: 60ch; }

/* ================================================
   FLOW（横送りトラック）
   ================================================ */
.flow { padding: clamp(80px, 11vw, 150px) 0; background: var(--bg); }
.flow__track { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(18px, 2vw, 28px); }
.fstep { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(26px, 3vw, 38px) clamp(22px, 2.4vw, 30px); transition: transform .4s var(--ease), box-shadow .4s var(--ease); }
.fstep:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.fstep__no { font-family: var(--en); font-weight: 800; font-size: clamp(2.4rem, 4vw, 3.4rem); color: var(--accent); line-height: 1; display: block; }
.fstep__kicker { display: inline-block; font-family: var(--en); font-size: .64rem; letter-spacing: .24em; color: var(--ink-soft); margin: 10px 0 14px; }
.fstep__title { font-weight: 800; font-size: clamp(1.02rem, 1.8vw, 1.24rem); line-height: 1.4; margin-bottom: 12px; }
.fstep__text { font-size: .9rem; color: var(--ink-soft); line-height: 1.8; }

/* ================================================
   PRICE（段階ブロック）
   ================================================ */
.price { padding: clamp(80px, 11vw, 150px) 0; background: var(--panel); }
.price__block { margin-bottom: clamp(40px, 6vw, 64px); }
.price__label { display: flex; align-items: center; gap: 14px; font-weight: 800; font-size: clamp(1.2rem, 2.4vw, 1.6rem); margin-bottom: clamp(22px, 3vw, 32px); }
.price__label-no { font-family: var(--en); font-size: .9rem; font-weight: 800; color: #fff; background: var(--green); width: 2em; height: 2em; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; }
.price__cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 26px); align-items: stretch; }
.pc { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(28px, 3vw, 40px) clamp(22px, 2.4vw, 32px); display: flex; flex-direction: column; transition: transform .4s var(--ease), box-shadow .4s var(--ease); }
.pc:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.pc--feat { border: 2px solid var(--accent); box-shadow: 0 14px 44px rgba(224,137,74,.18); }
.pc__badge { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--accent); color: #fff; font-size: .76rem; font-weight: 700; padding: .42em 1.1em; border-radius: 999px; white-space: nowrap; }
.pc__name { font-weight: 700; font-size: 1.04rem; color: var(--green); }
.pc__price { font-family: var(--en); font-weight: 800; font-size: clamp(1.9rem, 3.6vw, 2.6rem); color: var(--ink); margin-top: 8px; line-height: 1; }
.pc__price small { font-family: 'Noto Sans JP', sans-serif; font-size: .42em; font-weight: 500; color: var(--ink-soft); margin-left: .2em; }
.pc__rule { display: block; height: 1px; background: var(--line); margin: 20px 0; }
.pc__desc { font-size: .9rem; color: var(--ink-soft); line-height: 1.8; }
.pc__sub { font-size: .82rem; }
.price__note { margin-top: 6px; font-size: .82rem; color: var(--ink-soft); text-align: center; }

/* ================================================
   PROFILE（大型エディトリアル分割）
   ================================================ */
.profile { padding: clamp(80px, 11vw, 150px) 0; background: var(--bg); }
.profile__grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(36px, 6vw, 84px); align-items: center; }
.profile__media { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.profile__media img { width: 100%; aspect-ratio: 4/5; object-fit: cover; }
.profile__caption { position: absolute; bottom: 16px; left: 18px; font-family: var(--en); font-size: .68rem; letter-spacing: .26em; color: #fff; background: rgba(15,42,25,.55); padding: .4em .9em; border-radius: 999px; backdrop-filter: blur(4px); }
.profile__name { font-weight: 900; font-size: clamp(1.8rem, 4vw, 2.8rem); margin: 8px 0 6px; }
.profile__role { font-weight: 700; color: var(--accent-deep); margin-bottom: 24px; }
.profile__text { color: var(--ink-soft); font-size: clamp(.95rem, 1.5vw, 1.06rem); }
.profile__tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.profile__tag { font-size: .82rem; font-weight: 600; color: var(--green); background: rgba(31,77,46,.08); padding: .5em 1.1em; border-radius: 999px; }

/* ================================================
   CONTACT（フルブリードCTA）
   ================================================ */
.contact { position: relative; padding: clamp(80px, 11vw, 150px) 0; color: #fff; overflow: hidden; }
.contact__bg { position: absolute; inset: 0; background: linear-gradient(135deg, var(--green) 0%, var(--green-deep) 70%); }
.contact__bg::after { content: ""; position: absolute; inset: 0; background: radial-gradient(80% 120% at 90% 0%, rgba(224,137,74,.22), transparent 55%); }
.contact .wrap { position: relative; z-index: 2; }
.contact__head { max-width: 760px; margin-bottom: clamp(40px, 5vw, 56px); }
.contact__title { font-weight: 900; font-size: clamp(2rem, 5.4vw, 3.6rem); line-height: 1.18; margin-bottom: 22px; }
.contact__lead { color: rgba(255,255,255,.86); font-size: clamp(.95rem, 1.5vw, 1.06rem); }
.contact__layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(28px, 4vw, 56px); align-items: start; }
.contact__info { display: flex; flex-direction: column; gap: 16px; }
.citem { display: flex; align-items: center; gap: 18px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.16); border-radius: var(--radius); padding: 20px 24px; transition: background .3s var(--ease), transform .3s var(--ease); }
.citem:hover { background: rgba(255,255,255,.13); transform: translateY(-3px); }
.citem__icon { flex-shrink: 0; width: 50px; height: 50px; display: grid; place-items: center; background: var(--accent); border-radius: 14px; color: #fff; }
.citem__txt { display: flex; flex-direction: column; }
.citem__label { font-family: var(--en); font-size: .64rem; letter-spacing: .24em; color: rgba(255,255,255,.6); }
.citem__value { font-weight: 700; font-size: 1.18rem; }
.citem__value--mail { font-size: 1rem; word-break: break-all; }

.contact__form { background: var(--surface); color: var(--ink); border-radius: var(--radius-lg); padding: clamp(26px, 3.5vw, 44px); box-shadow: var(--shadow-lg); }
.field { margin-bottom: 20px; }
.field label { display: block; font-weight: 700; font-size: .92rem; margin-bottom: 9px; }
.req { font-size: .68rem; font-weight: 700; color: #fff; background: var(--accent); padding: .18em .6em; border-radius: 5px; margin-left: 6px; }
.field input, .field textarea {
  width: 100%; font-family: inherit; font-size: 1rem; color: var(--ink);
  padding: 14px 16px; border: 1.5px solid var(--line); border-radius: 12px; background: #FCFBF9;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 4px rgba(31,77,46,.12); }
.field textarea { resize: vertical; min-height: 120px; }

/* ================================================
   FOOTER
   ================================================ */
.footer { background: var(--green-deep); color: rgba(255,255,255,.8); padding: clamp(48px, 6vw, 72px) 0 28px; }
.footer__top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 30px; padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,.14); }
.footer__brand-main { font-weight: 800; font-size: 1.18rem; color: #fff; }
.footer__brand-sub { font-size: .86rem; margin-top: 8px; line-height: 1.7; }
.footer__nav { display: flex; flex-wrap: wrap; gap: 14px 26px; align-items: center; }
.footer__nav a { font-size: .92rem; transition: color .3s var(--ease); }
.footer__nav a:hover { color: var(--accent); }
.footer__bottom { margin-top: 26px; font-family: var(--en); font-size: .74rem; letter-spacing: .14em; color: rgba(255,255,255,.55); }

/* ================================================
   レスポンシブ
   ================================================ */
@media (max-width: 980px) {
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 30px 20px; }
  .stat:nth-child(2)::after { display: none; }
  .flow__track { grid-template-columns: repeat(2, 1fr); }
  .show, .show--rev .show__media, .show--rev .show__body { grid-template-columns: 1fr; order: 0; }
  .show { gap: 22px; }
  .reasons__seq .rsn { grid-template-columns: clamp(56px, 14vw, 90px) 1fr; }
}

@media (max-width: 768px) {
  .br-pc { display: none; }
  .br-sp { display: inline; }

  /* スマホ用ヒーロー画像に切り替え（hero-sp.jpg が無い間は hero.jpg を表示するフォールバック付き） */
  .hero__bg {
    background-image: url("../images/hero-sp.jpg"), url("../images/hero.jpg");
    background-size: cover, cover;
    background-position: center top, center;
    background-repeat: no-repeat, no-repeat;
  }

  /* モバイルナビ */
  .hdr__nav {
    position: fixed; top: 0; right: 0; bottom: auto; left: auto;
    height: 50vh; width: max-content; max-width: 80vw; min-width: 168px;
    flex-direction: column; align-items: flex-start; justify-content: flex-start;
    gap: 20px; padding: 60px 30px 28px; overflow-y: auto;
    background: var(--green-deep);
    border-bottom-left-radius: 18px;
    transform: translateX(100%); transition: transform .4s var(--ease);
    box-shadow: -20px 0 60px rgba(0,0,0,.3);
  }
  .hdr__nav.open { transform: translateX(0); }
  .hdr__nav-close {
    display: block; position: absolute; top: 14px; right: 16px;
    width: 44px; height: 44px; padding: 0; line-height: 44px; text-align: center;
    background: none; border: 0; cursor: pointer;
    color: #fff; font-size: 2.3rem; font-weight: 300;
  }
  .hdr__link, .hdr.scrolled .hdr__link { color: #fff; font-size: 1.1rem; }
  .hdr__cta { font-size: 1rem; }
  .hdr__burger { display: flex; z-index: 110; }
  .hdr__burger.open span { background: #fff; }
  .hdr__burger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .hdr__burger.open span:nth-child(2) { opacity: 0; }
  .hdr__burger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

  .price__cards { grid-template-columns: 1fr; }
  .pc--feat { margin-top: 8px; }
  .profile__grid { grid-template-columns: 1fr; }
  .profile__media { max-width: 380px; margin-inline: auto; }
  .contact__layout { grid-template-columns: 1fr; }
  .trouble { grid-template-columns: auto 1fr; }
  .trouble__img { display: none; }
}

@media (max-width: 480px) {
  .stats__grid { grid-template-columns: 1fr 1fr; }
  .flow__track { grid-template-columns: 1fr; }
  .hero__cta { width: 100%; }
  .hero__cta .btn { flex: 1; justify-content: center; }
  .footer__top { flex-direction: column; }
}