Fixed Notice error/added custom script function

【Contents of the fix】
■Fixed the Notice error in the theme options “Top Page” and “Plan”.
■Added custom script function in the theme option “Basic Settings”.

The following files have been modified for this update.
【Fixed files】
admin/inc/basic.php
admin/inc/plan.php
admin/inc/top.php
inc/head.php
languages/ja.mo
languages/ja.po
style.css

更新情報をテーマ毎に検索する

CODE.(TCD090) FALCON (TCD089) SOLARIS (TCD088) DROP (TCD087) meets (TCD086) Muum (TCD085) MASSIVE（TCD084） ANTHEM（TCD083） CURE（TCD082） Tree（TCD081） HAKU（TCD080） FORCE(TCD078) HEAL (TCD077) Be (TCD076) EVERY （TCD075） FAKE（TCD074） GLAMOUR（TCD073） NOEL（TCD072） MIKADO (TCD071) NUMERO（TCD070） TOKI(TCD069) ROCK(TCD068) ZOOMY（TCD067） DIVA(TCD066) NANO(TCD065) FAMOUS (TCD064) Switch (TCD063) ICONIC(TCD062) ONE (TCD061) AVANT（TCD060） AGENDA (TCD059) RUMBLE(TCD058) BIRTH（TCD057） KADAN (TCD056) ZERO (TCD055) BEAUTY(TCD054) Bloom（TCD053） STYLY (TCD052) VOGUE (TCD051) GENSEN(TCD050) BRIDGE（tcd049） OOPS!（TCD048） ANGEL（TCD047） SKIN（TCD046） SOURCE (TCD045) UNIQUE (TCD044) MAXX (TCD043) MONOLITH (TCD042) STORY (TCD041) Avalon (TCD040) LOTUS (TCD039) VENUS (TCD038) ORION (TCD037) MAG (TCD036) BLOC (TCD035) IZM (TCD034) AGENT (TCD033) VIEW (TCD032) LAW (TCD031) FOCUS (TCD030) SWEETY (TCD029) AMORE (TCD028) CORE (TCD027) Reviewer (TCD026) INNOVATE HACK (TCD025) PHOTEK (TCD024) CUBEY (TCD023) LUXE (TCD022) NEXTAGE (TCD021) Logue (TCD020) Precious (TCD019) Opinion (TCD018) Canvas (TCD017) Chill (TCD016) Grider (TCD015) AN (TCD014) Gorgeous (TCD013) TCD Google Maps TCD Workflow Common