/*
Theme Name: 声楽の先生ナビ
Description: 声楽講師マッチングサイト専用テーマ
Version: 1.0.0
Author: Silvestro Sammaritano音楽院
*/

:root {
  --ink: #21242e;
  --ink-soft: #5a5f6e;
  --gold: #b7862c;
  --gold-dark: #96691c;
  --ivory: #faf8f3;
  --card: #ffffff;
  --line: #e8e3d8;
  --accent-bg: #f4eee1;
  --radius: 14px;
  --shadow: 0 2px 14px rgba(40, 35, 20, .08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", sans-serif;
  color: var(--ink); background: var(--ivory);
  line-height: 1.85; font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--gold-dark); text-decoration: none; }
a:hover { opacity: .85; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* ===== Header ===== */
.site-header {
  background: #fff; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
}
.site-header .wrap { display: flex; align-items: center; gap: 28px; height: 64px; }
.brand { font-weight: 800; font-size: 1.15rem; color: var(--ink); letter-spacing: .02em; }
.brand .brand-mark { color: var(--gold); }
.gnav { display: flex; gap: 22px; margin-left: auto; align-items: center; }
.gnav a { color: var(--ink-soft); font-size: .92rem; font-weight: 600; }
.gnav a.nav-cta {
  background: var(--gold); color: #fff; padding: .55em 1.3em; border-radius: 999px;
  box-shadow: var(--shadow); font-weight: 700;
}
@media (max-width: 720px) { .gnav a:not(.nav-cta) { display: none; } }

/* ===== Buttons ===== */
.btn {
  display: inline-block; background: var(--gold); color: #fff !important;
  padding: .95em 2.4em; border-radius: 999px; font-weight: 700;
  box-shadow: var(--shadow); transition: transform .15s;
}
.btn:hover { transform: translateY(-2px); opacity: 1; }
.btn.ghost { background: #fff; color: var(--gold-dark) !important; border: 2px solid var(--gold); }
.btn.big { font-size: 1.08rem; padding: 1.1em 3em; }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(160deg, #fdfcf9 0%, #f4eee1 60%, #eee4cf 100%);
  padding: 76px 0 64px; text-align: center;
}
.hero h1 { font-size: clamp(1.6rem, 4.2vw, 2.6rem); line-height: 1.5; letter-spacing: .02em; }
.hero h1 .em { color: var(--gold-dark); }
.hero .lead { margin: 1.2em auto 2em; max-width: 620px; color: var(--ink-soft); font-size: 1.02rem; }
.hero .hero-note { margin-top: 1.2em; font-size: .85rem; color: var(--ink-soft); }
.badges { display: flex; gap: 14px; justify-content: center; margin: 1.6em 0 0; flex-wrap: wrap; }
.badge {
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: .45em 1.2em; font-size: .88rem; font-weight: 700; color: var(--ink);
  box-shadow: var(--shadow);
}
.badge b { color: var(--gold-dark); }

/* ===== Sections ===== */
.section { padding: 64px 0; }
.section.alt { background: #fff; }
.section h2 { text-align: center; font-size: 1.6rem; margin-bottom: 1.6em; letter-spacing: .04em; }
.section h2 .sub { display: block; font-size: .8rem; color: var(--gold-dark); letter-spacing: .18em; margin-bottom: .5em; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 860px) { .steps { grid-template-columns: repeat(2, 1fr); } }
.step {
  background: var(--card); border-radius: var(--radius); padding: 26px 22px;
  box-shadow: var(--shadow); text-align: center;
}
.step .num {
  width: 40px; height: 40px; border-radius: 50%; background: var(--gold); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 800;
  margin: 0 auto 12px;
}
.step h3 { font-size: 1.02rem; margin-bottom: .5em; }
.step p { font-size: .88rem; color: var(--ink-soft); }

/* ===== Teacher cards ===== */
.teacher-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 860px) { .teacher-grid { grid-template-columns: 1fr; } }
.tcard {
  background: var(--card); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); display: flex; flex-direction: column;
  transition: transform .15s;
}
.tcard:hover { transform: translateY(-4px); }
.tcard .tcard-photo { aspect-ratio: 4/3; object-fit: cover; width: 100%; background: var(--accent-bg); }
.tcard .tcard-photo.placeholder { display: flex; align-items: center; justify-content: center; color: var(--gold); font-size: 2.4rem; }
.tcard-body { padding: 18px 20px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.tcard-body .tname { font-size: 1.08rem; font-weight: 800; color: var(--ink); }
.tcard-body .tcatch { font-size: .88rem; color: var(--ink-soft); min-height: 2.6em; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font-size: .74rem; font-weight: 700; padding: .25em .9em; border-radius: 999px;
  background: var(--accent-bg); color: var(--gold-dark);
}
.chip.blue { background: #e8eef7; color: #3d6296; }
.tfee { margin-top: auto; font-size: .92rem; font-weight: 700; color: var(--ink); }
.tfee small { font-weight: 500; color: var(--ink-soft); }

/* ===== Teacher single ===== */
.tprofile { display: grid; grid-template-columns: 1fr 340px; gap: 32px; padding: 48px 0; }
@media (max-width: 900px) { .tprofile { grid-template-columns: 1fr; } }
.tmain h1 { font-size: 1.7rem; margin-bottom: .3em; }
.tmain .tsub { color: var(--ink-soft); margin-bottom: 1.2em; }
.tmain .video-frame { border-radius: var(--radius); overflow: hidden; margin: 1.4em 0; box-shadow: var(--shadow); aspect-ratio: 16/9; }
.tmain .video-frame iframe { width: 100%; height: 100%; border: 0; }
.tmain h2 { font-size: 1.2rem; margin: 1.8em 0 .8em; padding-left: .7em; border-left: 4px solid var(--gold); }
.profile-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.profile-table th, .profile-table td { padding: 14px 18px; border-bottom: 1px solid var(--line); font-size: .95rem; text-align: left; vertical-align: top; }
.profile-table th { width: 9em; background: var(--accent-bg); color: var(--ink); font-weight: 700; }
.tside .side-card {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 26px 24px; position: sticky; top: 84px; text-align: center;
}
.tside .side-photo { width: 120px; height: 120px; border-radius: 50%; object-fit: cover; margin: 0 auto 14px; }
.tside .side-fee { font-size: 1.3rem; font-weight: 800; margin: .6em 0 .2em; }
.tside .side-fee small { font-size: .8rem; font-weight: 500; color: var(--ink-soft); }
.tside .side-trial { font-size: .88rem; color: var(--ink-soft); margin-bottom: 1.2em; }
.tside .btn { width: 100%; }
.tside .side-free { margin-top: .9em; font-size: .8rem; color: var(--ink-soft); }

/* ===== Archive filter ===== */
.filter-bar {
  display: flex; gap: 12px; flex-wrap: wrap; background: #fff; padding: 18px;
  border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 28px;
}
.filter-bar select {
  padding: .6em 1em; border: 1px solid var(--line); border-radius: 8px;
  font-size: .92rem; background: #fff; color: var(--ink); flex: 1; min-width: 150px;
}
.filter-bar button { border: 0; cursor: pointer; }

/* ===== CTA band ===== */
.cta-band {
  background: linear-gradient(135deg, #2c2a24, #4a4232); color: #fff;
  text-align: center; padding: 60px 20px; border-radius: 0;
}
.cta-band h2 { color: #fff; font-size: 1.5rem; margin-bottom: .6em; }
.cta-band p { color: #d9d2c0; margin-bottom: 1.6em; }

/* ===== Page / content ===== */
.page-body { max-width: 780px; margin: 0 auto; padding: 48px 20px 72px; }
.page-body h1 { font-size: 1.7rem; margin-bottom: 1em; }
.page-body h2 { font-size: 1.25rem; margin: 1.8em 0 .7em; padding-left: .7em; border-left: 4px solid var(--gold); }
.page-body h3 { font-size: 1.08rem; margin: 1.5em 0 .5em; color: var(--gold-dark); }
.page-body p, .page-body li { color: #3a3e4a; }
.page-body ol, .page-body ul { padding-left: 1.4em; margin: .8em 0; }
.page-body table { width: 100%; border-collapse: collapse; }
.page-body th, .page-body td { padding: 10px 14px; border: 1px solid var(--line); }

/* ===== Footer ===== */
.site-footer { background: #26241f; color: #cfc9ba; padding: 44px 0 28px; margin-top: 0; font-size: .88rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 28px; justify-content: space-between; }
.site-footer a { color: #e8e0cc; }
.site-footer .foot-brand { font-weight: 800; color: #fff; margin-bottom: .5em; }
.site-footer .copy { width: 100%; text-align: center; margin-top: 28px; font-size: .78rem; color: #8f887a; }